Notes

The fitness of the actual jaws at the time of diagnosis of -inflammatory digestive tract disease within kid people.
To study the distribution characteristics of atmospheric pollutants and their correlation with meteorological factors.

The PM_(2.5), PM_(10), NO_2, SO_2, O_(3-1 h), O_(3-8 h) and CO daily average concentration data from 2014 to 2020 were obtained from Lanzhou Environmental Protection Bureau. The interannual changes of pollutants, monthly changes, seasonal changes and trend of spatial distribution were analysed. Spearman correlation analysis was performed on the relationship among pollutants.

The main pollutants exceeding the standard in Lanzhou from 2014 to 2020 were PM_(10), PM_(2.5) and NO_2, average annual concentration of PM_(10), PM_(2.5), NO_2 and CO were decreasing year by year, and O_3 was increasing year by year. The monthly average concentration of PM_(10) was the highest in December, January, March and November were the second highest, and it was higher in February, April and May. The monthly change trends of PM_(2.5), NO_2, SO_2 and CO concentrations were the same, and the monthly change trelogical factors affected each pollution. The concentration of the substance had an important influence. Relevant air pollution control measures should be formulated based on the main excessive pollutants, the monthly change trend of air pollution and the seasonal pollution characteristics, the same emission sources and geographical distribution characteristics should be considered, and the meteorological factors should be combined.
The study aimed at association of family life, resilience and bullying on the use of tobacco in preadolescents.

A total of 4792 students from 5 junior schools in Baise City were recruited with cluster-sampling method, filled with questionnaire of family life, resilience, parents' Control, bullying, initiation of tobacco and smoking from Feb. to Nov. 2018.The sample comprised of 52.63% male students and 46.66% female students. The average age was(11.8±0.5). There were 56.78% of students lived in city and 43.22% of students lived in county town; The nationality of the sample was as follows Zhuang nationality 90.00%, Han nationality 7.62%, other minorities(Yao nationality, Miao nationality, Yi nationality, et al)2.05%. The Logistic regression was used to explore the effect.

There were 9.75% and 6.97% of the sample reported initiation of tobacco and smoking respectively. The initiation of tobacco and smoking of boys were higher than that of girls(initiation of tobacco χ~2=57.230, P<0.001; sming in preadolescents.
Bullying increased the risk of smoking, while Individual power, family cohesion and family rules were associated with a lower likelihood of initiation of tobacco and smoking in preadolescents.
To explore the correlation between serum iron(Fe) and the overall survival of oral cancer.

Patients with oral cancer who met the inclusion criteria in the Department of Oral and Maxillofacial Surgery of the First Affiliated Hospital of Fujian Medical University from January 2010 to April 2017 were collected. selleck kinase inhibitor The average age was(57.12±13.94) years old, including 489 males(65.46%), 258 females(34.54%) and 564 cases of squamous cell carcinoma(77.90%). Overall survival rates were calculated by Kaplan-Meier method. Survival difference was compared by log-rank test. Cox regression model was used to estimate the hazard ratio(HRs) and 95% confidence intervals(95%CIs).

The distributions of serum iron level were non-normal distribution(P<0.001), and the serum iron level is expressed as 13.9(10.3, 17.8)μmol/L in M(P25, P75). According to X-tile, the optimal cut-off value of serum iron was 15.3 μmol/L, used as a criterion to group patients. The result showed that the mortality risk of patients with oral cancer in high serum iron level(Fe>15.3 μmol/L) was 0.72 times of patients in lower one(Fe≤15.3 μmol/L)(95%CI 0.52-0.99). Stratified analysis suggested that serum iron was a good predictor of patients with oral cancer aged 60 years(HR=0.62, 95%CI 0.39-0.99), male(HR=0.66, 95%CI 0.44-0.98), with TNM stage I-II(HR=0.42, 95%CI 0.20-0.88) and squamous cell of pathological type(HR=0.69, 95%CI 0.49-0.97).

Serum iron is closely related to the overall survival of oral cancer, patients with high serum iron have a lower risk of death.
Serum iron is closely related to the overall survival of oral cancer, patients with high serum iron have a lower risk of death.
To explore associations of hyperlipidemia and its subtypes with blood lead levels in community older adults.

From June to September, 2016, a rural and an urban community in Lu'an City, Anhui Province were randomly selected. Older adults aged 60 years old or over in two communities were recruited to participate, receiving a questionnaire interview(including gender, age, region, education, occupation, marital status, lifestyle, and chronic medical history, etc. ), physical examinations(height, weight, and blood pressure) and laboratory tests(blood glucose, blood lipid, and blood lead levels). A total of 1080 older adults volunteered to participate, of which 1008 had completedata. link2 Inductively coupled plasma mass spectrometry was used to measure concentrations of blood lead. The interquartile range was used to divide the distribution of lead in blood. Logistic regression model was used to examine associations of hyperlipidemia and its subtypes with blood lead levels. Restrictive cubic splineswere use 1.44-5.70). The restricted cubic spline curves showed approximate linear relationships between blood lead levels and ORs of hyperlipidemia and mixed hyperlipidemia.

Linear associations of blood lead levels with hyperlipidemia and mixed hyperlipidemia were found in community older adults.
Linear associations of blood lead levels with hyperlipidemia and mixed hyperlipidemia were found in community older adults.
To evaluate the feeding patterns of infants under 6 months of age in rural areas of Nanchong City, Sichuan Province, and to explore the driving factors of different feeding patterns.

A total of 837 pairs of infants under 6 months of age(<183 days of age) and their primary caregivers(450 male infants and 387 female infants, with an average age of(2.9±1.8) months, most of the primary caregivers were mothers(95.70%)) were selected by multi-stage random cluster sampling in Nanchong City in 2019.An electronic tablet equipped with a computer assisted system was used to input the face-to-face inquiry questionnaire to collect information, mainly including the sociodemographic characteristics of the subjects, infant feeding patterns, mothers' feeding knowledge, mothers' feeding attitudes, family support for breastfeeding, negative support from the surrounding population and other relevant information. Using disordered multi-classification Logistic regression, excluding non-maternal nursing-0.98) were more likely to carry out artificial feeding.

In rural areas of Nanchong City, Sichuan Province, three ways of exclusive breastfeeding, mixed feeding and artificial feeding coexist. Mixed-feeding is the main method, and the rate of exclusive breastfeeding is low. Mothers' feeding knowledge is an important factor influencing feeding patterns, and breastfeeding attitudes and breastfeeding family support are the main drivers of artificial feeding.
In rural areas of Nanchong City, Sichuan Province, three ways of exclusive breastfeeding, mixed feeding and artificial feeding coexist. link3 Mixed-feeding is the main method, and the rate of exclusive breastfeeding is low. Mothers' feeding knowledge is an important factor influencing feeding patterns, and breastfeeding attitudes and breastfeeding family support are the main drivers of artificial feeding.
To investigate the level of yogurt intake in the Chinese population and its relationship between the level of yogurt intake and metabolic syndrome.

Samples were taken from populations in 8 cities in China. Dietary surveys, physical examinations, and blood sample were collected. The level of yogurt intake of the population were calculated and evaluated. The relationship between yogurt intake and metabolic syndrome and its components was analyzed by multiple logistic regression. The yogurt intake was investigated using a diet frequency questionnaire to record the frequency and intake of yogurt in the past month.

A total of 1508 respondents were included in this study, including 538 males and 970 females; the average age was 51.74 years; the distribution ratio in the North and South regions was 5∶4.The rate of Chinese population in 8 cities which eat yogurt was 50.1%. The intake of yogurt was 3.7 g/d. Yogurt accounts for 27.22% of dairy products. There were differences in the distribution of different yogurt intake groups in different genders, age groups, Body Mass Index(BMI)groups, regions, education levels, monthly income, and smoking. The differences in calcium, fruit, and total dairy product intake among different yogurt intake groups were statistically significant difference. Sample analysis found that yogurt intake was negatively correlated with metabolic syndrome and its components. We adjusted gender, age group, body mass index group, region, education grade, monthly income, smoking, total energy, protein, fat, Ca, fruit, total dairy products for multi-factor analysis and found that this negative correlation was weakened. But this negative correlation remained on abnormal blood glucose[OR=0.61(95%CI 0.42-0.89)].

The yoghurt intake of Chinese residents is low. The intake of yogurt has a negative correlation with abnormal blood glucose.
The yoghurt intake of Chinese residents is low. The intake of yogurt has a negative correlation with abnormal blood glucose.
To explore whether the association of community urbanization levels with overweight incidence changes over time and varies by region.

The data is from the China Health and Nutrition Survey(1991-2015). The survey applied a multistage, random cluster design to draw samples. A total of 8684 adults aged 20-64 years were confined in nine provinces(autonomous regions). Based on an urbanicity score, communities were divided into two groups low-and high-urbanization-level groups. The nine provinces(autonomous regions) were divided into four regions, including the Coast, Central, Northeast and West. Multilevel Logistic regression models was applied to examine whether the association between urbanization levels and overweight incidence changed over time and varied by region.

38.08% of respondents became overweight during the follow-up surveys. The interactions between the high urbanization level with the Coast(OR=0.45, 95%CI 0.34-0.60), the Central(OR=0.67, 95%CI 0.52-0.86), and the Northeast(OR=0.70, 95%CI 0.52-among adults in the nine provinces(autonomous regions).
To understand the physical activity and regular exercise status and influencing factors of people with high risk of chronic diseases among Beijing residents, and to provide science basis for health education strategies and intervention measures.

13 200 participants aged 18-79 were selected by stratified cluster sampling method for questionnaire survey in 2017.3448 participants without hypertension, diabetes and dyslipidemia met the criteria of high risk population. The metabolic equivalent of physical activity was calculated by referring to the summary of physical activity in the United States and the global physical activity questionnaire.

1794 male(52.0%) and 1654 female(48.0%) are included in this study. 862(25.0%) are 18-29 years old, 778(22.6%) are 30-39 years old, 640(18.6%) are 40-49 years old, 709(20.6%) are 50-59 years old, and 193(13.3%) are 60-79 years old. 684 participants(18.6%) are low physical activity level, 1480 participants(42.9%) are medium level and 1284 respondents(37.2%) are high level.
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